Title:
Ear protector from noise and dirt
United States Patent 3259128
US Patent References:
Ear plug
- - 2824558


Inventors:
Leight, Howard S.
Publication Date:
07/05/1966
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Assignee:
Leight, Howard S.
Primary Class:
Other Classes:
181/135
International Classes:
A61F11/08; A61F11/00
Foreign References:
GB578613A